Pith Number

pith:V4MTZMPI

pith:2026:V4MTZMPIQEIZVDXDIGVO5KIC7L

not attested not anchored not stored refs pending

Effective population sizes for asymmetrically regulated birth-death processes

Tom Chou, Yunbei Pan

arxiv:2607.00628 v1 · 2026-07-01 · q-bio.PE · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4MTZMPIQEIZVDXDIGVO5KIC7L}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-02T01:17:49.598188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af193cb1e881119a8ee341aaeea902fadb522fffeb0e4ee752bf9fe696a40c98

Aliases

arxiv: 2607.00628 · arxiv_version: 2607.00628v1 · doi: 10.48550/arxiv.2607.00628 · pith_short_12: V4MTZMPIQEIZ · pith_short_16: V4MTZMPIQEIZVDXD · pith_short_8: V4MTZMPI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/V4MTZMPIQEIZVDXDIGVO5KIC7L \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: af193cb1e881119a8ee341aaeea902fadb522fffeb0e4ee752bf9fe696a40c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "496088e526d2e48c11fd1fdd8577efc0ddeacc93ef8ed4f74e0f69a09ad35304",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2026-07-01T08:43:26Z",
    "title_canon_sha256": "7b688025f93cce1160ac83540a97c725ce3a0da5caf619fdf1247645baea8b70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00628",
    "kind": "arxiv",
    "version": 1
  }
}